﻿extern int exam3_1();
extern int exam3_2();
extern int exam3_3();
extern int exam3_4();
extern int exam3_6();
extern int exam3_7();
extern int exam3_8();
extern int exam3_10();
extern int exam3_11_1();
extern int exam3_11_2();
extern int exam3_12();
extern int exam3_14();
extern int ex3_2_1();
extern int ex3_2_2(); 
extern int ex3_2_3();
extern int exam3_15();

int main()
{
	//exam3_1();
	//exam3_2();
	//exam3_3();
	//exam3_4();
	//exam3_6();
	//exam3_7();
	//exam3_8();
	//exam3_10();
	//exam3_11_1();
	//exam3_11_2();
	//exam3_12();
	//exam3_14();
	//ex3_2_1();
	//ex3_2_2();
	//ex3_2_3();
	//exam3_15();
	return 0;
}